Black greyhound crest: in Irish folklore and particularly in Gaelic poetry and mythology the hound is often used as an epithet to describe a valiant warrior.
Golden crown of a duke: (as in the Lords of Annaly: the Farrells). The gold colour denotes generosity and elevation of mind.
Golden lion rampant: (rearing): the lion signifies bravery and nobility.
Green field of the shield: green signifies hope, love and joy.
Motto: Prodesse Non Nocere (To do good, not to do evil).
Cu Reabtha (The rampaging dog) - Another popular motto, but not the official.

Kilt Colour: Vermilion Red. As with most Irish kilts, was not a tartan but a solid colour.

Plant badge: Common Hawthorn/Quickthorn (Crataegus monogyna)*
*(information provided through the kindness of the O'Dinan.)